Coupling.



L. A. SCRIBNER.

COUPLING.

APPLICATION FILED APR.22. 1915.

Patented. Dec. 4, 1917.

hum-lo qkw/e saaz W M COUPLING;

Specification of Letters Patent.

Patented Dec. d, tart.

Application filed April 22, 1915. Serial Ito. 23,237.

To all whom it may concern.-

Be it known that l, LEON A. SCRIBNER, a

citizen of the United States, and resident of Newport, in the county of Sullivan and State of New Hampshire, have invented new and useful Improvements in Couplings, of which the following a specification.

This invention relates to couplings for hose and the like, and its object is to provide a couplingwherein the two members can be readily connected and disconnected and a tight joint or seal made and maintained between them.

Referring to the drawings which illustrate an embodiment of my invention,-

Figure 1 is a side elevation of my improved coupling with its two members united;

Fig. 2 is a similar view of the two members separated and in position to be united;

F ig. 3 is an-end view of one of the coupling members;

Fig. i is a section on the line 41-4, Fig. 1;

Fig. 5 is a central longitudinal section of the two members united; I

6 is a section on the line 6-6, Fig. 5; and

Fig. l is a section of a coupling member through one of the locking pins.

The two coupling members are of identical construction and it will therefore be necessary to describe but one. Each consists of a tubular head A and an operating ring or collar it rotatably mounted thereon. The head is provided on one end with a plurality of interlocking projections B spaced and each having a pair of annular grooves In the form shown three such lock ng projections B are provided,

'lv shown their sides are all crably at the same angle and nded (Fig. 2). The said head ovided with internal annular having a groove re eive and shot (1 hereinafter described, and shallow external roc-ve a and which project op a sleeved is provided segmental ring pressed they are adapted to be housed when the cou-- pling members are unlocked.

Mounted on said collar K and projecting into said groove a is a stop is which limits the rotation of said collar on said head, and sockets S are provided on the inner face of said collar to receive said pins P yieldingly to secure said operating collar and said head. Two sockets S are provided for each pin P, one to receive the pin when the coupling is locked and the other when it is unlocked.

C is a gasket'of any suitable compressible material, preferably rubber, having a flange C adapted to be held within said flange A and a weakened portion, as at c, to permit it readily to crush and bulge inward at said weakened portion when the members are united as shown in Fig. 5. When in normal unlocked position (Fig. 7) the top of the gasket projects above the plane of the lowermost slots 18 of the locking fingers.

In coupling are placed in the position shown in Fig. 2

with the locking PIOJGCtlOIlS of one member opposite the spaces between the corresponding locking projections of the other member. The two members are then brought together until the grooves B of the locking projections are in register. Owing to the inclined sides of the locking projections, the members may be broughttogether at a large axial angle to each other and then be straightened intooontact. No pressure endwise of the coupling is required to bring the members into mating position except enough pressure slightly lodeform the freely yielding gaskets C, C. When the slots have been thus brought into register the operating collars K of the respective members are rotated one to the right and the other to the left, causing the locking flanges K of each mom her to leave their grooves B and enter the corresponding grooves B of the other mem ber, thu firmly locking the parts, the operating collar being yieldingly held in locked position by entrance of the pins P into the sockets provided for that purpose.

The operating collars K having flanges K rotated because of the slight stress tending to separate the coupling members. It will be observed that when the members re lo d together the lock-in .16 abuttin progectionf or uniting the members they,

till

Elli

lllil nular groove-B of each of the abutting progrooves of said projections of said members jections. In this position the members canin one position, and in the grooves of two 55 not be separated without shearing apart all adjacent projections of different members in of the flanges K. The operating collar K another position.

by this device is under no stress wlth respect 3. A coupling comprising two members to the member upon-which it is mounted, is having gaskets adapted to abut and form a called upon to act neither as a screw or a seal when said members are united, and cam, and is sufficient] y attached to the coumeans to lock said members together compling by the light stops it, thus avoiding a prising segmental locking projections havsecond machined flange and bearing for the ing a plurality of annular grooves and opoperating collar, and enabling theparts to crating collars having segmental annular be loosely fitted for free movement by hand, locking flanges adapted to be rotated in said as well as providing a very strong joingrooves in said locking projections.

ing with respect to longitudinal or bending 4:. A coupling comprisin two members stresses. each having a tubular hea provided with As the gaskets C are higher than the lowlocking projections spaced apart and having ermost grooves B of the locln'ng projeca pair of transverse grooves, a gasket, and

tions, the bringing of said grooves into an operating collar rotatably mounted on register as above described causes the gaskets said head and having in-turned flanges nor- C to abut and to be lightly compressed, so mally housed in one of the grooves of said that the weakened portions 0 buckle inward projections, said gaskets being adapted to as best shown in Fig. 5. It will, I believe, abut to form a seal when said members are be apparent that the joint thus made beunited with the grooves of the locking protween the sealing faces of the gaskets is 'a jections of one member in register with the very tight one when subjected to internal corresponding grooves of the other member. pressure by reason of the inward bulge of 5. A coupling comprisinv two members, the gaskets, the pressure'of the fluid passing each having a tubular head provided with through the coupling tending to press and locking pro ections spaced apart and having hold the sealing faces of the gaskets in intia pair of transverse grooves, a gasket havmate contact. ing a weakened portion, an operating col- A coupling constructed in accordance with lar rotatably mounted on said head and havmy invention as above described is simple, ing inturned flanges normally resting in one insures a tight joint between the members of the grooves of said projections, said and can be readily locked and unlocked gaskets adapted to abut and bulge inward under all the diflicult conditions of service at said weakened portions to form a seal commonly encountered in the use of these when the said members are united with the devices grooves of the locking projections to one I claim: member in register with the corresponding 1. A coupling comprlsmg a tubular secgrooves of the other member.

tion having projections with two external 6. A coupling comprising two members, annular grooves therein, said member havmeans to lock said members together coming thereon a rotatable operating collar prising scgmentary locking projections havbearing segments of an ann lar flang ing a plurality of annular grooves and opadapted to be housed in the grooves of s a1d crating collars havin' segmental annular projections of said members in one position. locking flanges adapte to be rotated in said 2. Acoupling comprising like tubular matgrooves in said lockin projections.

ing sections each having pro ections with Signed by me at ewport, New Hamp- 10( gwo external grooves1 therein adaplted Ito shire, this fifteenth day of April, 1915.

orm conti uous annu ar grooves w en t e members ar juxtapoosed, each member hav- LEON SCRIBNER' ing thereon a rotata le operating collar bear- Witnesses: ing internally projecting segments of an JonN MoCmLms, annular flange adapted to be housed in the EDNA L. CHAMBERLAIN. 

